Better release note check

Only checks release notes for incoming patches, not
for merge jobs.

Change-Id: I895136d5369f836ddae66cd49a2911cd4aa945cb
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/jenkins/ci-pipelines/ci_stage_2.groovy b/jenkins/ci-pipelines/ci_stage_2.groovy
index 56972e5..f987136 100644
--- a/jenkins/ci-pipelines/ci_stage_2.groovy
+++ b/jenkins/ci-pipelines/ci_stage_2.groovy
@@ -49,6 +49,20 @@
       }
     }
 
+    stage('Release Note Check') {
+      if (fileExists('devops-stages/stage-releasenote.sh')) {
+        if (!JOB_NAME.contains('merge')) {
+            sh "devops-stages/stage-releasenote.sh"
+        }
+        else {
+            println("Not checking release notes for merge job")
+        }
+      }
+      else {
+          println("No releasenote check present")
+      }
+    }
+
     container_name = "${project}-${branch}".toLowerCase()
 
     stage('Docker-Build') {